Generation of peptide detectability datasets from single DIA experiment for prediction model fine-tuning
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ID: 318951
2026
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Abstract
Abstract Motivation Accurate prediction of peptide detectability in mass spectrometry–based proteomics is critical for improving both protein identification and quantification. Current models generally estimate detectability from amino acid sequences; however, peptide detectability is influenced by the instruments, acquisition methods, and experimental conditions, limiting the applicability of sequence-based models. State-of-the-art approaches mitigate this issue by fine-tuning models for each experimental setup, yet this strategy demands extensive training datasets—often comprising up to 300,000 peptides—incurring substantial experimental and computational costs. Results In this study, we present a complementary approach for generating peptide detectability datasets directly from a single DIA experiment. These datasets enable fine-tuning of prediction models with minimal raw data, while improving adaptation to specific experimental conditions. This strategy substantially reduces both the data and cost requirements typically associated with model training. Furthermore, we show that filtering search libraries based on predicted detectability increases peptide identification rates and decreases computational time. Availability and implementation Code is available on https://github.com/leoschn/Detectability. Data are available via ProteomeXchange with identifier https://proteomecentral.proteomexchange.org/cgi/GetDataset? ID=PXD076276PXD076276.
| Reference Key |
openalex_W7166154737
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| Authors | Léo Schneider, Julie Flecheux, Zied Bouyahia, Stéphane Derrode, Jérôme Lemoine |
| Journal | Bioinformatics advances |
| Year | 2026 |
| DOI |
10.1093/bioadv/vbag180
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| URL | |
| Keywords | Keywords not found |
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